/* ============================================================
   SYSTEN PRECISION MACHINERY — shared stylesheet
   B2C retail metal parts + made-to-order casting (Hong Kong)
   ============================================================ */

/* ── RESET & BASE ─────────────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,"Segoe UI","Noto Sans HK",sans-serif;
  font-weight:400;color:#1b1e2b;background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit}

/* ── DESIGN TOKENS ────────────────────────────────────────── */
:root{
  --ink:        #10131f;
  --ink-2:      #2a2e3d;
  --ink-3:      #5d6275;
  --rule:       #e4e6ef;
  --bg:         #ffffff;
  --bg-2:       #f5f6fa;
  --bg-3:       #eceef5;
  --navy:       #0d1c3f;
  --navy-2:     #142a59;
  --gold:       #b8966a;
  --gold-lt:    #d6bd92;
  --amber:      #e08a2b;   /* primary action / buy */
  --amber-dk:   #c5751b;
  --teal:       #0fa7a0;   /* Octopus payment cue */
  --teal-dk:    #0c8a84;
  --steel:      #8a90a4;
  --white:      #ffffff;
  --radius:     8px;
  --radius-sm:  5px;
  --max:        1180px;
  --shadow:     0 4px 18px rgba(13,28,63,.07);
  --shadow-lg:  0 14px 40px rgba(13,28,63,.14);
}

/* ── LAYOUT HELPERS ───────────────────────────────────────── */
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:84px 32px}
.section-sm{padding:56px 32px}
.bg-2{background:var(--bg-2)}
.bg-navy{background:var(--navy);color:#fff}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.center{text-align:center}

/* ── TYPOGRAPHY ───────────────────────────────────────────── */
.eyebrow{font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;
  color:var(--amber);display:block;margin-bottom:14px}
.eyebrow.on-navy{color:var(--gold-lt)}
.display{font-family:'Playfair Display',serif;font-size:clamp(1.9rem,3.6vw,3rem);
  font-weight:700;line-height:1.14;color:var(--navy);letter-spacing:-.3px;
  text-wrap:balance;word-break:keep-all;line-break:strict}
.display.on-navy{color:#fff}
.display-xl{font-family:'Playfair Display',serif;font-size:clamp(2.5rem,5.4vw,4.4rem);
  font-weight:700;line-height:1.06;letter-spacing:-1px;color:#fff;
  text-wrap:balance;word-break:keep-all;line-break:strict}
.lead{font-size:1.06rem;color:var(--ink-3);line-height:1.8;max-width:560px;text-wrap:pretty}
.lead.on-navy{color:rgba(255,255,255,.82)}
.body-sm{font-size:.9rem;color:var(--ink-3);line-height:1.75}
.rule-line{width:46px;height:3px;background:var(--amber);margin:20px 0;border-radius:2px}
.rule-line.cx{margin:20px auto}
.muted{color:var(--ink-3)}

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;font-size:.9rem;font-weight:600;letter-spacing:.2px;
  border-radius:var(--radius-sm);transition:all .22s ease;cursor:pointer;border:none;line-height:1}
.btn svg{width:15px;height:15px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:var(--amber-dk);transform:translateY(-1px);box-shadow:0 8px 22px rgba(224,138,43,.34)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-1px)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-dk);transform:translateY(-1px);box-shadow:0 8px 22px rgba(15,167,160,.3)}
.btn-outline{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-outline-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-outline-white:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-sm{padding:9px 16px;font-size:.82rem}
.btn-block{width:100%}

/* ── BADGES / PILLS ───────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;
  letter-spacing:.4px;text-transform:uppercase;padding:5px 11px;border-radius:100px}
.badge-amber{background:#fcefe0;color:var(--amber-dk)}
.badge-teal{background:#e0f6f4;color:var(--teal-dk)}
.badge-navy{background:#e7ebf5;color:var(--navy)}
.badge-stock{background:#e6f6ec;color:#15823f}
.badge-custom{background:#f3e9fb;color:#7a3aad}

/* ── TOP RIBBON ───────────────────────────────────────────── */
.ribbon{background:var(--navy);color:rgba(255,255,255,.62);font-size:.74rem;font-weight:500;
  letter-spacing:.3px;padding:8px 32px}
.ribbon-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.ribbon-items{display:flex;gap:26px;flex-wrap:wrap}
.ribbon-item{display:flex;align-items:center;gap:7px}
.ribbon-item::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--amber);display:block;flex-shrink:0}
.ribbon-right{display:flex;gap:18px}
.ribbon-right a{color:rgba(255,255,255,.62)}
.ribbon-right a:hover{color:#fff}

/* ── HEADER / NAV ─────────────────────────────────────────── */
.site-header{background:#fff;border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:900}
.header-inner{max-width:var(--max);margin:0 auto;padding:0 32px;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:13px}
.logo-mark{width:42px;height:42px;background:var(--navy);border-radius:6px;display:flex;
  align-items:center;justify-content:center;flex-shrink:0;position:relative;overflow:hidden}
.logo-mark svg{width:24px;height:24px}
.logo-name{line-height:1.18}
.logo-name strong{display:block;font-size:1rem;font-weight:800;color:var(--ink);letter-spacing:.3px}
.logo-name small{font-size:.64rem;color:var(--ink-3);letter-spacing:1.4px;text-transform:uppercase;font-weight:600}
.site-nav>ul{display:flex;gap:2px;align-items:center}
.site-nav a{padding:9px 14px;font-size:.86rem;font-weight:600;color:var(--ink-2);
  border-radius:var(--radius-sm);transition:all .18s;white-space:nowrap;display:inline-block}
.site-nav a:hover,.site-nav a.active{color:var(--navy);background:var(--bg-2)}
.nav-right{display:flex;align-items:center;gap:8px}
.cart-link{position:relative;display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-sm);transition:background .18s}
.cart-link:hover{background:var(--bg-2)}
.cart-link svg{width:21px;height:21px;color:var(--navy)}
.cart-count{position:absolute;top:2px;right:2px;background:var(--amber);color:#fff;font-size:.66rem;
  font-weight:800;min-width:17px;height:17px;border-radius:100px;display:flex;align-items:center;
  justify-content:center;padding:0 4px;line-height:1}
.cart-count:empty,.cart-count[data-empty="1"]{display:none}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;border:none;background:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);transition:all .3s;border-radius:2px}

/* ── HERO ─────────────────────────────────────────────────── */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;
  padding:96px 32px 104px}
.hero::before{content:'';position:absolute;inset:0;
  background:radial-gradient(120% 120% at 80% 10%,rgba(224,138,43,.22),transparent 55%),
             radial-gradient(90% 90% at 5% 90%,rgba(15,167,160,.16),transparent 50%),
             linear-gradient(160deg,#0a1530 0%,#0d1c3f 55%,#142a59 100%)}
.hero-grid-bg{position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.15) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.15) 1px,transparent 1px);
  background-size:42px 42px;-webkit-mask-image:radial-gradient(circle at 70% 40%,#000,transparent 75%)}
.hero-inner{max-width:var(--max);margin:0 auto;position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy h1{margin:18px 0}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:42px;flex-wrap:wrap}
.hero-stat strong{display:block;font-family:'Playfair Display',serif;font-size:1.9rem;color:#fff;line-height:1}
.hero-stat span{font-size:.78rem;color:rgba(255,255,255,.6);letter-spacing:.5px}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:14px;backdrop-filter:blur(4px)}
.hero-card img{border-radius:9px;width:100%;aspect-ratio:1;object-fit:cover;background:#fff}
.hero-card-row{display:flex;gap:14px;margin-top:14px}
.hero-card-row .hero-card{flex:1;padding:10px}
.hero-card-row img{aspect-ratio:1}

/* ── TRUST BAR ────────────────────────────────────────────── */
.trustbar{background:#fff;border-bottom:1px solid var(--rule)}
.trustbar-inner{max-width:var(--max);margin:0 auto;padding:22px 32px;display:grid;
  grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{display:flex;align-items:center;gap:13px}
.trust-item .ti-ic{width:40px;height:40px;border-radius:9px;background:var(--bg-2);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--navy)}
.trust-item .ti-ic svg{width:21px;height:21px}
.trust-item strong{display:block;font-size:.9rem;color:var(--ink);font-weight:700}
.trust-item span{font-size:.78rem;color:var(--ink-3)}

/* ── SECTION HEAD ─────────────────────────────────────────── */
.sec-head{max-width:660px;margin-bottom:48px}
.sec-head.cx{margin-left:auto;margin-right:auto;text-align:center}

/* ── CATEGORY CARDS ───────────────────────────────────────── */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{position:relative;border:1px solid var(--rule);border-radius:var(--radius);
  padding:26px 22px;background:#fff;transition:all .22s;overflow:hidden;display:block}
.cat-card::after{content:'';position:absolute;left:0;top:0;height:100%;width:4px;background:var(--amber);
  transform:scaleY(0);transform-origin:top;transition:transform .25s}
.cat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.cat-card:hover::after{transform:scaleY(1)}
.cat-ic{width:48px;height:48px;border-radius:10px;background:var(--bg-2);display:flex;
  align-items:center;justify-content:center;margin-bottom:18px;color:var(--navy)}
.cat-ic svg{width:26px;height:26px}
.cat-card h3{font-size:1.02rem;font-weight:700;color:var(--ink);margin-bottom:5px}
.cat-card p{font-size:.82rem;color:var(--ink-3);line-height:1.55}
.cat-card .cat-count{margin-top:14px;font-size:.74rem;font-weight:700;color:var(--amber);letter-spacing:.4px}

/* ── PRODUCT GRID & CARDS ─────────────────────────────────── */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{border:1px solid var(--rule);border-radius:var(--radius);background:#fff;
  overflow:hidden;transition:all .22s;display:flex;flex-direction:column}
.prod-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent}
.prod-thumb{position:relative;aspect-ratio:1;background:var(--bg-2);overflow:hidden}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;mix-blend-mode:multiply}
.prod-card:hover .prod-thumb img{transform:scale(1.05)}
.prod-thumb .badge{position:absolute;top:11px;left:11px}
.prod-body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.prod-cat{font-size:.7rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--steel);margin-bottom:6px}
.prod-name{font-size:.96rem;font-weight:700;color:var(--ink);line-height:1.3;margin-bottom:4px}
.prod-mat{font-size:.78rem;color:var(--ink-3);margin-bottom:14px}
.prod-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.prod-price{font-size:1.12rem;font-weight:800;color:var(--navy)}
.prod-price small{font-size:.72rem;font-weight:600;color:var(--ink-3)}
.prod-add{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:all .18s;flex-shrink:0}
.prod-add:hover{background:var(--amber)}
.prod-add svg{width:18px;height:18px}

/* ── SHOP LAYOUT ──────────────────────────────────────────── */
.shop-head{background:var(--navy);color:#fff;padding:54px 32px}
.shop-head .wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.shop-toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.search-box{position:relative;flex:1;min-width:220px}
.search-box svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--steel)}
.search-box input{width:100%;padding:12px 14px 12px 40px;border:1.5px solid var(--rule);border-radius:var(--radius-sm);
  font-size:.9rem;color:var(--ink);transition:border .18s;background:#fff}
.search-box input:focus{outline:none;border-color:var(--amber)}
.sort-select{padding:12px 14px;border:1.5px solid var(--rule);border-radius:var(--radius-sm);
  font-size:.88rem;color:var(--ink-2);background:#fff;cursor:pointer;font-weight:600}
.filter-chips{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:26px}
.chip{padding:8px 16px;border:1.5px solid var(--rule);border-radius:100px;font-size:.83rem;
  font-weight:600;color:var(--ink-2);background:#fff;cursor:pointer;transition:all .16s}
.chip:hover{border-color:var(--navy)}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.shop-meta{font-size:.84rem;color:var(--ink-3);margin-bottom:18px}
.no-results{padding:60px 20px;text-align:center;color:var(--ink-3)}

/* ── PRODUCT DETAIL ───────────────────────────────────────── */
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.pd-gallery{position:sticky;top:96px}
.pd-main-img{border:1px solid var(--rule);border-radius:var(--radius);background:var(--bg-2);
  aspect-ratio:1;overflow:hidden;position:relative}
.pd-main-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:18px}
.pd-cat{font-size:.78rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.pd-title{font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;color:var(--navy);line-height:1.15;margin-bottom:14px}
.pd-price{font-size:2rem;font-weight:800;color:var(--navy);margin:18px 0 6px}
.pd-price small{font-size:.9rem;font-weight:600;color:var(--ink-3)}
.pd-desc{font-size:.98rem;color:var(--ink-2);line-height:1.8;margin:18px 0}
.pd-specs{border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;margin:22px 0}
.pd-specs div{display:flex;justify-content:space-between;padding:12px 18px;font-size:.88rem;border-bottom:1px solid var(--rule)}
.pd-specs div:last-child{border-bottom:none}
.pd-specs div:nth-child(odd){background:var(--bg-2)}
.pd-specs dt{color:var(--ink-3);font-weight:500}
.pd-specs dd{color:var(--ink);font-weight:700}
.qty-row{display:flex;align-items:center;gap:16px;margin:24px 0}
.qty-stepper{display:flex;align-items:center;border:1.5px solid var(--rule);border-radius:var(--radius-sm);overflow:hidden}
.qty-stepper button{width:42px;height:46px;border:none;background:#fff;font-size:1.2rem;cursor:pointer;color:var(--navy)}
.qty-stepper button:hover{background:var(--bg-2)}
.qty-stepper input{width:54px;height:46px;border:none;text-align:center;font-size:1rem;font-weight:700;color:var(--ink)}
.qty-stepper input:focus{outline:none}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.pd-note{display:flex;gap:10px;align-items:flex-start;background:var(--bg-2);border-radius:var(--radius);
  padding:14px 16px;margin-top:18px;font-size:.84rem;color:var(--ink-2)}
.pd-note svg{width:18px;height:18px;flex-shrink:0;color:var(--teal);margin-top:2px}

/* ── STEPS (custom page / how it works) ───────────────────── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step-num{width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;
  font-family:'Playfair Display',serif;font-size:1.2rem;font-weight:700;display:flex;
  align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-size:1.04rem;font-weight:700;color:var(--ink);margin-bottom:7px}
.step p{font-size:.88rem;color:var(--ink-3);line-height:1.65}
.step:not(:last-child)::after{content:'';position:absolute;top:23px;left:58px;right:-14px;height:2px;
  background:repeating-linear-gradient(90deg,var(--rule) 0 8px,transparent 8px 14px)}

/* ── FEATURE / SPLIT ──────────────────────────────────────── */
.feat-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--bg-2)}
.feat-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:.95rem;color:var(--ink-2)}
.check-list svg{width:20px;height:20px;color:var(--amber);flex-shrink:0;margin-top:2px}

/* ── FORMS ────────────────────────────────────────────────── */
.form-card{background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.84rem;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field label .req{color:var(--amber)}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--rule);
  border-radius:var(--radius-sm);font-size:.92rem;color:var(--ink);font-family:inherit;transition:border .18s;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--amber)}
.field textarea{resize:vertical;min-height:120px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.upload-zone{border:2px dashed var(--rule);border-radius:var(--radius);padding:30px;text-align:center;
  cursor:pointer;transition:all .18s;background:var(--bg-2)}
.upload-zone:hover{border-color:var(--amber);background:#fff}
.upload-zone svg{width:34px;height:34px;color:var(--steel);margin:0 auto 10px}
.upload-zone p{font-size:.88rem;color:var(--ink-2);font-weight:600}
.upload-zone span{font-size:.78rem;color:var(--ink-3)}
.form-ok{display:none;background:#e6f6ec;border:1px solid #a7e0bd;color:#15823f;padding:16px;
  border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;margin-bottom:18px}

/* ── CART ─────────────────────────────────────────────────── */
.cart-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:40px;align-items:start}
.cart-item{display:grid;grid-template-columns:84px 1fr auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--rule)}
.cart-item img{width:84px;height:84px;object-fit:cover;border-radius:var(--radius-sm);background:var(--bg-2);mix-blend-mode:multiply}
.cart-item h4{font-size:.96rem;font-weight:700;color:var(--ink)}
.cart-item .ci-cat{font-size:.76rem;color:var(--ink-3)}
.cart-item .ci-qty{display:flex;align-items:center;gap:10px;margin-top:8px}
.cart-item .ci-qty button{width:28px;height:28px;border:1px solid var(--rule);background:#fff;border-radius:5px;cursor:pointer;font-size:1rem;color:var(--navy)}
.cart-item .ci-price{font-weight:800;color:var(--navy);text-align:right;white-space:nowrap}
.ci-remove{background:none;border:none;color:var(--steel);cursor:pointer;font-size:.78rem;margin-top:6px}
.ci-remove:hover{color:#d14}
.summary{background:var(--bg-2);border-radius:var(--radius);padding:26px;position:sticky;top:96px}
.summary h3{font-size:1.1rem;font-weight:800;color:var(--ink);margin-bottom:18px}
.summary-row{display:flex;justify-content:space-between;font-size:.92rem;color:var(--ink-2);margin-bottom:12px}
.summary-total{display:flex;justify-content:space-between;font-size:1.25rem;font-weight:800;color:var(--navy);
  padding-top:16px;margin-top:6px;border-top:2px solid var(--rule)}
.octopus-pay{background:#e0f6f4;border:1px solid #9fe0db;border-radius:var(--radius-sm);padding:14px;
  margin:18px 0;font-size:.82rem;color:var(--teal-dk);display:flex;gap:10px;align-items:flex-start}
.octopus-pay svg{width:20px;height:20px;flex-shrink:0;margin-top:1px}
.empty-cart{text-align:center;padding:70px 20px}
.empty-cart svg{width:60px;height:60px;color:var(--bg-3);margin:0 auto 18px}

/* ── FACTORY / TIMELINE ───────────────────────────────────── */
.capn{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:10px}
.cap{background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:24px}
.cap .cap-ic{width:44px;height:44px;border-radius:10px;background:var(--bg-2);display:flex;
  align-items:center;justify-content:center;color:var(--navy);margin-bottom:14px}
.cap .cap-ic svg{width:23px;height:23px}
.cap h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.cap p{font-size:.86rem;color:var(--ink-3);line-height:1.6}

/* ── FAQ / ACCORDION ──────────────────────────────────────── */
.faq{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--rule)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 0;font-size:1rem;
  font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q svg{width:20px;height:20px;color:var(--amber);flex-shrink:0;transition:transform .25s}
.faq-item.open .faq-q svg{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-3);font-size:.92rem;line-height:1.75}
.faq-a p{padding-bottom:20px}

/* ── CTA BAND ─────────────────────────────────────────────── */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:14px;
  padding:54px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;inset:0;
  background:radial-gradient(80% 120% at 90% 10%,rgba(224,138,43,.25),transparent 55%)}
.cta-band>*{position:relative;z-index:1}
.cta-band .btn{margin-top:24px}

/* ── CONTACT ──────────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-block{margin-bottom:26px;display:flex;gap:15px}
.contact-block .cb-ic{width:44px;height:44px;border-radius:10px;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-block .cb-ic svg{width:21px;height:21px}
.contact-block h4{font-size:.95rem;font-weight:700;color:var(--ink);margin-bottom:3px}
.contact-block p{font-size:.9rem;color:var(--ink-3);line-height:1.6}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--rule);min-height:300px;height:100%}
.map-embed iframe{width:100%;height:100%;min-height:300px;border:0;display:block}

/* ── FOOTER ───────────────────────────────────────────────── */
.site-footer{background:var(--navy);color:rgba(255,255,255,.62);padding:64px 32px 30px}
.footer-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-name strong{color:#fff}
.footer-brand p{font-size:.86rem;line-height:1.7;margin-top:16px;max-width:280px}
.footer-col h4{color:#fff;font-size:.82rem;font-weight:700;letter-spacing:.8px;text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;font-size:.88rem;padding:5px 0;transition:color .16s}
.footer-col a:hover{color:var(--gold-lt)}
.footer-col p{font-size:.86rem;line-height:1.7;margin-bottom:10px}
.footer-bottom{max-width:var(--max);margin:48px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.78rem}
.pay-badges{display:flex;gap:8px;align-items:center}
.pay-badges span{background:rgba(255,255,255,.1);padding:4px 10px;border-radius:5px;font-size:.72rem;font-weight:600;color:#fff}

/* ── TOAST ────────────────────────────────────────────────── */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:14px 22px;border-radius:100px;font-size:.88rem;font-weight:600;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .3s;z-index:2000;display:flex;align-items:center;gap:9px}
.toast svg{width:18px;height:18px;color:#5fd38a}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── REVEAL ANIM ──────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ── PAGE BANNER (inner pages) ────────────────────────────── */
.page-banner{background:var(--navy);color:#fff;padding:62px 32px;position:relative;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;
  background:radial-gradient(100% 140% at 85% 0%,rgba(224,138,43,.2),transparent 55%)}
.page-banner .wrap{position:relative;z-index:1}
.breadcrumb{font-size:.8rem;color:rgba(255,255,255,.6);margin-bottom:14px}
.breadcrumb a:hover{color:#fff}

/* ── LANGUAGE TOGGLE ──────────────────────────────────────── */
.lang-toggle{display:flex;align-items:center;gap:6px;height:42px;padding:0 13px;border:1.5px solid var(--rule);
  background:#fff;border-radius:var(--radius-sm);cursor:pointer;font-weight:700;font-size:.82rem;color:var(--navy);transition:all .18s}
.lang-toggle:hover{border-color:var(--navy);background:var(--bg-2)}
.lang-toggle .lt-ic{display:flex}.lang-toggle svg{width:17px;height:17px}

/* ── REFERENCE-PRICE TAG ──────────────────────────────────── */
.ref-tag{display:inline-block;font-size:.6rem;font-weight:800;letter-spacing:.4px;text-transform:uppercase;
  color:var(--amber-dk);background:#fcefe0;padding:2px 6px;border-radius:4px;margin-right:6px;vertical-align:middle}
.ref-tag.big{font-size:.66rem;padding:3px 8px}

/* ── GRAIN / TEXTURE (less-flat, less-AI feel) ────────────── */
.hero::after,.cta-band::after,.bg-navy::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E")}
.bg-navy{position:relative;overflow:hidden}

/* ── HERO PHOTO SUPPORT ───────────────────────────────────── */
.hero.has-photo::before{background:
  linear-gradient(110deg,rgba(8,16,36,.92) 0%,rgba(10,21,48,.78) 45%,rgba(13,28,63,.55) 100%),
  var(--hero-img) center/cover no-repeat}

/* ── RADIO CARDS (checkout) ───────────────────────────────── */
.radio-card{display:flex;align-items:center;gap:14px;border:1.5px solid var(--rule);border-radius:var(--radius);
  padding:14px 16px;margin-bottom:12px;cursor:pointer;transition:all .16s}
.radio-card:hover{border-color:var(--steel)}
.radio-card input{accent-color:var(--amber);width:18px;height:18px;flex-shrink:0}
.radio-card:has(input:checked){border-color:var(--amber);background:#fffaf3}
.radio-card .rc-ic{width:38px;height:38px;border-radius:8px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;color:var(--navy);flex-shrink:0}
.radio-card .rc-ic svg{width:20px;height:20px}
.radio-card .rc-body{flex:1}.radio-card .rc-body strong{display:block;font-size:.92rem;color:var(--ink)}
.radio-card .rc-body small{font-size:.78rem;color:var(--ink-3)}
.radio-card .rc-fee{font-weight:800;color:var(--navy)}

/* ── PAYMENT / BANK BOX ───────────────────────────────────── */
.radio-card.disabled{opacity:.62;cursor:not-allowed;background:var(--bg-2)}
.radio-card.disabled:hover{border-color:var(--rule)}
.bank-box{border:1.5px solid var(--teal);background:#effbfa;border-radius:var(--radius);padding:16px 18px;margin:-4px 0 14px}
.bank-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:7px 0;font-size:.9rem;border-bottom:1px dashed #b8e6e2}
.bank-row:last-child{border-bottom:none}
.bank-row span{color:var(--ink-3)}
.bank-row strong{color:var(--ink);font-weight:700;text-align:right;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.copy-btn{border:1px solid var(--teal);background:#fff;color:var(--teal-dk);font-size:.72rem;font-weight:700;
  padding:3px 9px;border-radius:5px;cursor:pointer;transition:all .15s}
.copy-btn:hover{background:var(--teal);color:#fff}
.pay-method{border:1px solid var(--rule);border-radius:var(--radius);padding:22px;margin-bottom:16px;display:flex;gap:16px;align-items:flex-start}
.pay-method.on{border-color:var(--teal);background:#f3fbfa}
.pay-method.off{opacity:.7;background:var(--bg-2)}
.pay-method .pm-ic{width:46px;height:46px;border-radius:10px;background:#fff;border:1px solid var(--rule);display:flex;align-items:center;justify-content:center;color:var(--navy);flex-shrink:0}
.pay-method .pm-ic svg{width:23px;height:23px}
.pay-method h3{font-size:1.05rem;margin-bottom:4px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pay-method p{font-size:.88rem;color:var(--ink-3);line-height:1.6}

/* ── CHECKOUT ─────────────────────────────────────────────── */
.checkout-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:38px;align-items:start}
.co-step{margin-bottom:30px}
.co-step h3{display:flex;align-items:center;gap:12px;font-size:1.1rem;color:var(--navy);margin-bottom:18px}
.co-step h3 span{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:800;flex-shrink:0}

/* ── DESIGN CONFIGURATOR ──────────────────────────────────── */
.cfg-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:28px;align-items:start}
.cfg-h{font-size:.95rem;font-weight:800;color:var(--navy);margin-bottom:16px;letter-spacing:.2px}
.cfg-bases{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cfg-base{border:1.5px solid var(--rule);border-radius:var(--radius);background:#fff;padding:8px;cursor:pointer;text-align:center;transition:all .16s}
.cfg-base:hover{border-color:var(--steel)}
.cfg-base.sel{border-color:var(--amber);box-shadow:0 0 0 3px #fcefe0}
.cfg-base img{width:100%;aspect-ratio:1;object-fit:cover;background:var(--bg-2);border-radius:5px;mix-blend-mode:multiply}
.cfg-base span{display:block;font-size:.74rem;font-weight:600;color:var(--ink-2);margin-top:6px;line-height:1.3}
.cfg-quote{background:var(--bg-2);border-radius:var(--radius);padding:22px;position:sticky;top:96px}
.cfg-thumb{background:#fff;border:1px solid var(--rule);border-radius:8px;aspect-ratio:16/10;overflow:hidden;margin-bottom:16px}
.cfg-thumb img{width:100%;height:100%;object-fit:contain;padding:10px;mix-blend-mode:multiply}

/* ── INSTANT ESTIMATE ─────────────────────────────────────── */
.est-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:stretch}
.est-controls{background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:28px}
.est-out{background:linear-gradient(150deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--radius);
  padding:32px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.est-out::before{content:'';position:absolute;inset:0;background:radial-gradient(90% 90% at 90% 0%,rgba(224,138,43,.28),transparent 60%)}
.est-out>*{position:relative;z-index:1}
.est-label{font-size:.78rem;letter-spacing:1px;text-transform:uppercase;color:var(--gold-lt);font-weight:700}
.est-value{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:700;margin:10px 0;line-height:1.1}
.est-dis{font-size:.78rem;color:rgba(255,255,255,.65);line-height:1.6}

/* ── 3D MODEL VIEWER ──────────────────────────────────────── */
.m3d-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.model-stage{position:relative;height:480px;border:1px solid var(--rule);border-radius:var(--radius);
  background:radial-gradient(circle at 50% 38%,#ffffff 0%,#eef0f7 70%,#e4e7f0 100%);overflow:hidden;box-shadow:var(--shadow)}
.model-stage canvas{display:block;cursor:grab;touch-action:none}
.model-stage:active canvas{cursor:grabbing}
.m3d-hint{position:absolute;bottom:14px;left:0;right:0;text-align:center;font-size:.76rem;
  letter-spacing:.4px;color:var(--ink-3);pointer-events:none;text-transform:uppercase;font-weight:600}
.m3d-badge{position:absolute;top:14px;left:14px;background:#fff;border:1px solid var(--rule);
  border-radius:100px;padding:6px 13px;font-size:.74rem;font-weight:700;color:var(--navy);box-shadow:var(--shadow)}
.m3d-fallback{display:flex;align-items:center;justify-content:center}
.m3d-fallback img{max-height:88%;mix-blend-mode:multiply}
.m3d-hint.on-dark{color:rgba(255,255,255,.6)}
/* hero banner model */
.hero-model{position:relative;width:100%;height:460px}
.hero-model canvas{display:block;cursor:grab}
.hero-model:active canvas{cursor:grabbing}
.hero-model .m3d-hint{bottom:6px}
/* decorative model tiles (replace illustrative photos) */
.feat-model{width:100%;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;position:relative;
  background:radial-gradient(circle at 50% 38%,#ffffff 0%,#eef0f7 72%,#e4e7f0 100%);box-shadow:var(--shadow)}
.card-model{width:100%;aspect-ratio:1;border-radius:9px;overflow:hidden;position:relative}
.feat-model canvas,.card-model canvas{display:block;cursor:grab}
.feat-model:active canvas,.card-model:active canvas{cursor:grabbing}
/* product-page model */
.pd-model{position:absolute;inset:0;width:100%;height:100%}
.pd-model canvas{display:block;cursor:grab}
.pd-main-img:has(.pd-model){padding:0}
.pd-main-img .m3d-badge{z-index:2}
@media(max-width:760px){.m3d-wrap{grid-template-columns:1fr;gap:30px}.model-stage{height:360px}.hero-model{height:340px}}

/* ── MATERIALS TABLE ──────────────────────────────────────── */
.mat-table{width:100%;border-collapse:collapse;border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.mat-table th{background:var(--navy);color:#fff;text-align:left;padding:14px 16px;font-size:.8rem;letter-spacing:.4px;text-transform:uppercase;font-weight:700}
.mat-table td{padding:14px 16px;border-bottom:1px solid var(--rule);font-size:.9rem;vertical-align:top}
.mat-table tr:nth-child(even) td{background:var(--bg-2)}
.mat-table .mat-name{font-weight:700;color:var(--navy)}
.bars{display:inline-flex;gap:3px}.bars i{width:7px;height:14px;border-radius:1px;background:var(--bg-3);display:block}
.bars i.on{background:var(--amber)}
@media(max-width:760px){.mat-table,.mat-table tbody,.mat-table tr,.mat-table td{display:block}.mat-table thead{display:none}
  .mat-table td{border:none;padding:6px 16px}.mat-table tr{border-bottom:1px solid var(--rule);padding:12px 0}}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media(max-width:1024px){
  .grid-4,.cat-grid,.prod-grid{grid-template-columns:repeat(3,1fr)}
  .cfg-grid{grid-template-columns:1fr;gap:34px}.cfg-quote{position:static}
  .est-grid,.checkout-grid{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .step:nth-child(2)::after{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:440px}
}
@media(max-width:760px){
  .section{padding:60px 22px}
  .wrap{padding:0 22px}
  .site-nav{position:fixed;inset:72px 0 auto 0;background:#fff;border-bottom:1px solid var(--rule);
    transform:translateY(-130%);transition:transform .3s;box-shadow:var(--shadow-lg);max-height:calc(100vh - 72px);overflow:auto}
  .site-nav.open{transform:translateY(0)}
  .site-nav>ul{flex-direction:column;align-items:stretch;padding:14px}
  .site-nav a{padding:13px 14px;font-size:.98rem}
  .hamburger{display:flex}
  .grid-2,.cart-layout,.pd-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .grid-3,.grid-4,.cat-grid,.prod-grid,.capn,.trustbar-inner{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .step::after{display:none!important}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
  .pd-gallery,.summary{position:static}
  .field-row{grid-template-columns:1fr}
  .cta-band{padding:38px 24px}
  .ribbon-items{display:none}
  .hero-stats{gap:24px}
  .cfg-bases{grid-template-columns:1fr 1fr}
  .lang-toggle span:not(.lt-ic){display:none}
  .lang-toggle{padding:0 11px}
}
@media(max-width:460px){
  .prod-grid,.cat-grid,.grid-4,.trustbar-inner{grid-template-columns:1fr 1fr}
  .display-xl{font-size:2.3rem}
}